package com.runen.wnhz.runen.common.utils;

/**
 * Created by Administrator on 2018-04-14.
 */

public class UnicodeUtils {
    //Unicode转中文  
    public static String decodeUnicode(final String dataStr) {
        int start = 0;
        int end = 0;
        final StringBuffer buffer = new StringBuffer();
        while (start > -1) {
            end = dataStr.indexOf("\\u", start + 2);
            String charStr = "";
            if (end == -1) {
                charStr = dataStr.substring(start + 2, dataStr.length());
            } else {
                charStr = dataStr.substring(start + 2, end);
            }
            char letter = (char) Integer.parseInt(charStr, 16); // 16进制parse整形字符串。     
            buffer.append(new Character(letter).toString());
            start = end;
        }
        return buffer.toString();
    }
    //中文转Unicode  
    public static String gbEncoding(final String gbString) {   //gbString = "测试"  
        char[] utfBytes = gbString.toCharArray();   //utfBytes = [测, 试]  
        String unicodeBytes = "";
        for (int byteIndex = 0; byteIndex < utfBytes.length; byteIndex++) {
            String hexB = Integer.toHexString(utfBytes[byteIndex]);   //转换为16进制整型字符串  
            if (hexB.length() <= 2) {
                hexB = "00" + hexB;
            }
            unicodeBytes = unicodeBytes + "\\u" + hexB;
        }
        System.out.println("unicodeBytes is: " + unicodeBytes);
        return unicodeBytes;
    }
}
